== sanity test 60c: unlink file when mds full ============ 01:01:06 (1789016466)
create 5000 files
 - open/close 646 (time 1789016480.21 total 10.01 last 64.56)
 - open/close 1217 (time 1789016490.21 total 20.01 last 57.06)
 - open/close 1827 (time 1789016500.26 total 30.06 last 60.73)
 - open/close 2430 (time 1789016510.26 total 40.06 last 60.28)
 - open/close 3055 (time 1789016520.28 total 50.08 last 62.38)
 - open/close 3668 (time 1789016530.29 total 60.09 last 61.27)
 - open/close 4161 (time 1789016540.29 total 70.09 last 49.26)
 - open/close 4690 (time 1789016550.32 total 80.12 last 52.78)
total: 5000 open/close in 85.58 seconds: 58.42 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789016560 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0